U-3 Skimmer Extension Collar | Pentair | WC37-503P | (Fits U-3 Skimmer Line)

The Pentair U-3 Skimmer Extension Collar (WC37-503P) makes routine pool cleaning easier by extending your skimmer's reach to capture leaves, debris, and buildup before they circulate.

Designed to fit the Pentair U-3 skimmer line, this extension collar boosts surface skimming efficiency during fall leaf drop and regular maintenance, helping your pool stay inviting with less manual netting and cleanup.

In daily use, this collar supports easier debris removal and helps maintain consistent water flow, which can contribute to clearer water and more stable chemistry across your pool system.

• Extends the skimmer opening to capture more surface debris and leaves
• Specifically designed to fit Pentair U-3 skimmers (WC37-503P) for a secure, precise connection
• Helps reduce buildup in the skimmer area, supporting clearer water
• Streamlines routine cleaning and saves time during weekly maintenance
• Compatible with standard pool care routines and seasonal cleanup

Ready for a simpler, cleaner pool season? Add to cart and enjoy a smoother, more efficient cleaning routine.